Results 31 to 40 of about 9,424,473 (292)

Determination of Ammonium Nitrogen and Nitrate Nitrogen in Soil by Gas Phase Molecular Absorption Spectrometry

Yankuang ceshi, 2021
BACKGROUND Determination of ammonium nitrogen and nitrate nitrogen in soil makes great sense for indication of the nutrient status and environment evaluation of soil.
WU Hao, ZHU Hong-xia, YUAN Mao, XU Ren-ji, XUE Li-dong   +4 more
doaj   +1 more source

Remote Sensing and GIS in Environmental Monitoring

Applied Sciences, 2022
In recent decades, remote sensing and geographic information systems (GIS) have become valuable environmental monitoring tools [...]
L. Parra
semanticscholar   +1 more source

A Scoping Review on Wearable Devices for Environmental Monitoring and Their Application for Health and Wellness

Italian National Conference on Sensors, 2022
This scoping review is focused on wearable devices for environmental monitoring. First, the main pollutants are presented, followed by sensing technologies that are used for the parameters of interest.
S. Bernasconi, A. Angelucci, A. Aliverti
semanticscholar   +1 more source

WSN Protocols and Security Challenges for Environmental Monitoring Applications: A Survey

J. Sensors, 2022
In recent years, communication technology has improved exponentially, partly owing to the locations and nature of the deployment of sensor nodes.
Kofi Sarpong Adu-Manu, Felicia Engmann, Godwin Sarfo-Kantanka, Godwill Enchill Baiden, Bernice Akusika Dulemordzi   +4 more
semanticscholar   +1 more source

Research on the Influence of Weather Patterns on Ozone Concentration: A Case Study in Tianjin

Atmosphere, 2022
Ozone (O3) is an important secondary substance that plays a significant role in atmospheric chemistry and climate change. Although O3 is essential in the stratosphere, it is harmful to human health in the troposphere, where this study was conducted.
Yuan Li, Jiguang Wang, Liwei Li, Yu Bai, Jingyun Gao, Lei He, Miao Tang, Ning Yang   +7 more
doaj   +1 more source

WSN Architectures for Environmental Monitoring Applications

Journal of Sensors, 2022
Wireless sensor networks (WSNs) have become ubiquitous, permeating every aspect of human life. In environmental monitoring applications (EMAs), WSNs are essential and provide a holistic view of the deployed environment.
Kofi Sarpong Adu-Manu, J. Abdulai, Felicia Engmann, Moses Akazue, J. K. Appati, Godwill Enchill Baiden, Godwin Sarfo-Kantanka   +6 more
semanticscholar   +1 more source

A study on pollution emission flux estimation and tailwater for mariculture in the Tianjin, China [PDF]

E3S Web of Conferences
With the rapid development of marine aquaculture in Tianjin, the methods and types of aquaculture are constantly evolving and changing. Due to the presence of large amounts of pollutants such as nitrogen and phosphorus in aquaculture wastewater, it has ...
Yuan Hui, Liu Jiahong, Tian Ye, Han Shaoqiang, Zhai Haojie   +4 more
doaj   +1 more source

Online Robot Trajectory Optimization for Persistent Environmental Monitoring

IEEE Control Systems Letters, 2022
This letter presents a control-theoretic approach for trajectory optimization of mobile robots suitable for environmental monitoring. The method is based on the optimization of the Constructability Gramian in order to maximize the information collected ...
Gennaro Notomista, C. Pacchierotti, P. Giordano   +2 more
semanticscholar   +1 more source

Polybrominated diphenyl ethers (PBDEs) in sediment and fish tissues from Lake Chaohu, central eastern China

Archives of Environmental Protection, 2015
Polybrominated diphenyl ethers (PBDEs) levels in environmental media have increased over the last 20-25 years in the world. In aquatic environments PBDEs were found to be accumulated along food chain and Endocrine disruptors toxicity. In this study PBDEs
Yang Suwen, Fu Qiang, Teng Man, Yang Jing   +3 more
doaj   +1 more source

Spatio-temporal variation of vegetation and its correlation with soil moisture in the Yellow River Basin

Shuiwen dizhi gongcheng dizhi, 2023
Analyzing the temporal and spatial changes of vegetation and its correlation with soil moisture and quantitatively revealing the impact of soil moisture on vegetation growth are of certain significance for drought monitoring and ecological protection ...
Mengmeng GAO, Xiaolei LI, Nan YANG, Yi WANG, Qiong LIU, Zixin ZHAO   +5 more
doaj   +1 more source